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<div class="title">opennurbs_defines.h</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* $NoKeywords: $ */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Copyright (c) 1993-2012 Robert McNeel &amp; Associates. All rights reserved.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// McNeel &amp; Associates.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// THIS SOFTWARE IS PROVIDED &quot;AS IS&quot; WITHOUT EXPRESS OR IMPLIED WARRANTY.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// MERCHANTABILITY ARE HEREBY DISCLAIMED.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">//              </span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// For complete openNURBS copyright information see &lt;http://www.opennurbs.org&gt;.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">//   Includes all openNURBS toolkit defines and enums.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#if !defined(OPENNURBS_DEFINES_INC_)</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#define OPENNURBS_DEFINES_INC_</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;pcl/pcl_exports.h&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#if defined (cplusplus) || defined(_cplusplus) || defined(__cplusplus) || defined(ON_CPLUSPLUS)</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">// C++ extern &quot;C&quot; declaration for C linkage</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#if !defined(ON_CPLUSPLUS)</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#define ON_CPLUSPLUS</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#define ON_EXTERNC extern &quot;C&quot;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#define ON_BEGIN_EXTERNC extern &quot;C&quot;</span> {</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#define ON_END_EXTERNC   }</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">/* C file - no extern declaration required or permitted */</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">#define ON_EXTERNC</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#define ON_BEGIN_EXTERNC</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#define ON_END_EXTERNC  </span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#if defined(_DEBUG)</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">/* enable OpenNurbs debugging code */</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#if !defined(ON_DEBUG)</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">#define ON_DEBUG</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">// Declarations in header (.H) files look like</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">//   ON_DECL type function():</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">//   extern ON_EXTERN_DECL type global_variable;</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">//   class ON_CLASS classname {};</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">//   ON_TEMPLATE template class ON_CLASS template&lt;T&gt;;</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160; </div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor">#if defined(OPENNURBS_EXPORTS)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">// OPENNURBS_EXPORTS is Microsoft&#39;s prefered defined for building an opennurbs DLL.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor">#if !defined(ON_DLL_EXPORTS)</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor">#define ON_DLL_EXPORTS</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor">#if !defined(ON_COMPILING_OPENNURBS)</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="preprocessor">#define ON_COMPILING_OPENNURBS</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160; </div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">#if defined(OPENNURBS_IMPORTS)</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">// OPENNURBS_EXPORTS is Microsoft&#39;s prefered defined for linking with an opennurbs DLL.</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor">#if !defined(ON_DLL_IMPORTS)</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="preprocessor">#define ON_DLL_IMPORTS</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="preprocessor">#if defined(ON_DLL_EXPORTS) &amp;&amp; defined(ON_DLL_IMPORTS)</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="preprocessor">#error At most one of ON_DLL_EXPORTS and ON_DLL_IMPORTS can be defined.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">/* export/import */</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">#if defined(ON_DLL_EXPORTS)</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160; </div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="preprocessor">#if !defined(ON_COMPILING_OPENNURBS)</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#error When compiling an OpenNURBS DLL, ON_DLL_EXPORTS must be defined</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160; </div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment">/* compiling OpenNurbs as a Windows DLL - export classes, functions, templates, and globals */</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="preprocessor">#define ON_CLASS __declspec(dllexport)</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="preprocessor">#define ON_DECL __declspec(dllexport)</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="preprocessor">#define ON_EXTERN_DECL __declspec(dllexport)</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="preprocessor">#define ON_DLL_TEMPLATE</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="preprocessor">#elif defined(ON_DLL_IMPORTS)</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="preprocessor">#if defined(ON_COMPILING_OPENNURBS)</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor">#error When compiling an OpenNURBS DLL, ON_DLL_IMPORTS must NOT be defined</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment">/* using OpenNurbs as a Windows DLL - import classes, functions, templates, and globals */</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor">#define ON_CLASS __declspec(dllimport)</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor">#define ON_DECL __declspec(dllimport)</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#define ON_EXTERN_DECL __declspec(dllimport)</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">#define ON_DLL_TEMPLATE extern</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment">/* compiling or using OpenNurbs as a static library */</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor">#define ON_CLASS</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#define ON_DECL</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor">#define ON_EXTERN_DECL</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">#if defined(ON_DLL_TEMPLATE)</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">#undef ON_DLL_TEMPLATE</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">// ON_DEPRECATED is used to mark deprecated functions.</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="preprocessor">#if defined(ON_COMPILER_MSC)</span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="preprocessor">#define ON_DEPRECATED  __declspec(deprecated)</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="preprocessor">#define ON_DEPRECATED</span></div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="preprocessor">#if defined(PI)</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">#define ON_PI           PI</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="preprocessor">#define ON_PI           3.141592653589793238462643</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160; </div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor">#define ON_DEGREES_TO_RADIANS ON_PI/180.0</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor">#define ON_RADIANS_TO_DEGREES 180.0/ON_PI</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="preprocessor">#define ON_SQRT2          1.414213562373095048801689</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="preprocessor">#define ON_SQRT3          1.732050807568877293527446</span></div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="preprocessor">#define ON_SQRT3_OVER_2   0.8660254037844386467637230</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="preprocessor">#define ON_1_OVER_SQRT2   0.7071067811865475244008445</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="preprocessor">#define ON_SIN_PI_OVER_12 0.2588190451025207623488990</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="preprocessor">#define ON_COS_PI_OVER_12 0.9659258262890682867497433</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="preprocessor">#define ON_LOG2         0.6931471805599453094172321</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="preprocessor">#define ON_LOG10        2.302585092994045684017991</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="preprocessor">#define ON_ArrayCount(a) (sizeof(a)/sizeof((a)[0]))</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160; </div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="preprocessor">#if defined(DBL_MAX)</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="preprocessor">#define ON_DBL_MAX DBL_MAX</span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="preprocessor">#define ON_DBL_MAX 1.7976931348623158e+308</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160; </div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="preprocessor">#if defined(DBL_MIN)</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="preprocessor">#define ON_DBL_MIN DBL_MIN</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="preprocessor">#define ON_DBL_MIN 2.22507385850720200e-308</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="comment">// ON_EPSILON = 2^-52</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="preprocessor">#if defined(DBL_EPSILON)</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="preprocessor">#define ON_EPSILON DBL_EPSILON</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="preprocessor">#define ON_EPSILON 2.2204460492503131e-16</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="preprocessor">#define ON_SQRT_EPSILON 1.490116119385000000e-8</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="preprocessor">#if defined(FLT_EPSILON)</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor">#define ON_FLOAT_EPSILON FLT_EPSILON</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="preprocessor">#define ON_FLOAT_EPSILON 1.192092896e-07</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="preprocessor">#define ON_SQRT_FLOAT_EPSILON 3.452669830725202719e-4</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160; </div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="comment">// In cases where lazy evaluation of a double value is</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="comment">// performed, b-rep tolerances being a notable example,</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="comment">// this value is used to indicate the value has not been</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="comment">// computed.  This value must be &lt; -1.0e308. and &gt; -ON_DBL_MAX</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<span class="comment">// The reasons ON_UNSET_VALUE is a valid finite number are:</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="comment">//   1) It needs to round trip through fprintf/sscanf.</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="comment">//   2) It needs to persist unchanged through assigment</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="comment">/       and not generate exceptions when assigned.</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="comment">//   3) ON_UNSET_VALUE == ON_UNSET_VALUE needs to be true.</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="comment">//   4) ON_UNSET_VALUE != ON_UNSET_VALUE needs to be false.</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="comment">// Ideally, it would also have these SNaN attributes</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="comment">//   * When used in a calculation, a floating point exception</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="comment">//     occures.</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment">//   * No possibility of a valid calculation would generate</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">//     ON_UNSET_VALUE.</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment">//   * float f = (float)ON_UNSET_VALUE would create an invalid</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="comment">//     float and generate an exception.</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="preprocessor">#define ON_UNSET_VALUE -1.23432101234321e+308</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160; </div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="comment">// ON_UNSET_FLOAT is used to indicate a texture coordinate</span></div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="comment">// value cannot be calculated or is not well defined.  </span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="comment">// In hindsight, this value should have been ON_FLT_QNAN</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="comment">// because many calculation convert float texture coordinates</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="comment">// to doubles and the &quot;unset&quot;ness attribute is lost.</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="preprocessor">#define ON_UNSET_FLOAT -1.234321e+38f</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160; </div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160; </div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;ON_BEGIN_EXTERNC</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="comment">// IEEE 754 special values</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="keyword">extern</span> ON_EXTERN_DECL <span class="keyword">const</span> <span class="keywordtype">double</span> ON_DBL_QNAN;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="keyword">extern</span> ON_EXTERN_DECL <span class="keyword">const</span> <span class="keywordtype">double</span> ON_DBL_PINF;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="keyword">extern</span> ON_EXTERN_DECL <span class="keyword">const</span> <span class="keywordtype">double</span> ON_DBL_NINF;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="keyword">extern</span> ON_EXTERN_DECL <span class="keyword">const</span> <span class="keywordtype">float</span>  ON_FLT_QNAN;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="keyword">extern</span> ON_EXTERN_DECL <span class="keyword">const</span> <span class="keywordtype">float</span>  ON_FLT_PINF;</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="keyword">extern</span> ON_EXTERN_DECL <span class="keyword">const</span> <span class="keywordtype">float</span>  ON_FLT_NINF;</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="comment">Paramters:</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment">  x - [out] returned value of x is an SNan</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment">            (signalling not a number).</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment">Remarks:</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment">  Any time an SNaN passes through an Intel FPU, the result</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment">  is a QNaN (quiet nan) and the invalid operation excpetion</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="comment">  flag is set.  If this exception is not masked, then the</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="comment">  exception handler is invoked.</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="comment"> </span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="comment">    double x, y;</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="comment">    ON_DBL_SNAN(&amp;x);</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="comment">    y = x;     // y = QNAN and invalid op exception occurs</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="comment">    z = sin(x) // z = QNAN and invalid op exception occurs</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment">  So, if you want to reliably initialize doubles to SNaNs, </span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;<span class="comment">  you must use memcpy() or some other method that does not</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;<span class="comment">  use the Intel FPU.</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;ON_DECL</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="keywordtype">void</span> ON_DBL_SNAN( <span class="keywordtype">double</span>* x );</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160; </div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;ON_DECL</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="keywordtype">void</span> ON_FLT_SNAN( <span class="keywordtype">float</span>* x );</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160; </div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;ON_END_EXTERNC</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">// In cases where lazy evaluation of a color value is</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="comment">// performed, this value is used to indicate the value </span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="comment">// has not been computed.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="preprocessor">#define ON_UNSET_COLOR 0xFFFFFFFF</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="comment">// In cases when an absolute &quot;zero&quot; tolerance </span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="comment">// is required to compare model space coordinates,</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="comment">// ON_ZERO_TOLERANCE is used.  The value of</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="comment">// ON_ZERO_TOLERANCE should be no smaller than</span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="comment">// ON_EPSILON and should be several orders of </span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="comment">// magnitude smaller than ON_SQRT_EPSILON</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="comment">// </span></div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="comment">//#define ON_ZERO_TOLERANCE 1.0e-12</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="comment">// ON_ZERO_TOLERANCE = 2^-32</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="preprocessor">#define ON_ZERO_TOLERANCE 2.3283064365386962890625e-10</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160; </div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="comment">// In cases when an relative &quot;zero&quot; tolerance is</span></div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="comment">// required for comparing model space coordinates, </span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;<span class="comment">// (fabs(a)+fabs(b))*ON_RELATIVE_TOLERANCE is used.</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="comment">// ON_RELATIVE_TOLERANCE should be larger than</span></div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="comment">// ON_EPSILON and smaller than no larger than </span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;<span class="comment">// ON_ZERO_TOLERANCE*2^-10.</span></div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="comment">// </span></div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="comment">// ON_RELATIVE_TOLERANCE = 2^-42</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="preprocessor">#define ON_RELATIVE_TOLERANCE 2.27373675443232059478759765625e-13</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160; </div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;<span class="comment">// Bugs in geometry calculations involving world coordinates </span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="comment">// values &gt; ON_MAXIMUM_WORLD_COORDINATE_VALUE</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="comment">// will be a low priority.</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="comment">// ON_MAXIMUM_VALUE = 2^27</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;<span class="preprocessor">#define ON_MAXIMUM_WORLD_COORDINATE_VALUE 1.34217728e8</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160; </div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="comment">// The default test for deciding if a curvature value should be</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="comment">// treated as zero is </span></div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="comment">// length(curvature) &lt;= ON_ZERO_CURVATURE_TOLERANCE.</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="comment">// ON_ZERO_CURVATURE_TOLERANCE must be set so that</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;<span class="comment">// ON_ZERO_CURVATURE_TOLERANCE &gt;= sqrt(3)*ON_ZERO_TOLERANCE</span></div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="comment">// so that K.IsTiny() = true implies |K| &lt;= ON_ZERO_CURVATURE_TOLERANCE</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="preprocessor">#define ON_ZERO_CURVATURE_TOLERANCE 1.0e-8</span></div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160; </div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;<span class="comment">/* default value for angle tolerances = 1 degree */</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="preprocessor">#define ON_DEFAULT_ANGLE_TOLERANCE (ON_PI/180.0)</span></div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="preprocessor">#define ON_DEFAULT_ANGLE_TOLERANCE_COSINE 0.99984769515639123915701155881391</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="preprocessor">#define ON_MINIMUM_ANGLE_TOLERANCE (ON_DEFAULT_ANGLE_TOLERANCE/10.0)</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="comment">// pair of integer indices.  This</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment">// is intentionally a struct/typedef</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">// rather than a class so that it</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment">// can be used in other structs.</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"><a class="line" href="structtag_o_n__2dex.html">  313</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtag_o_n__2dex.html">tagON_2dex</a></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;{</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;  <span class="keywordtype">int</span> j;</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;};</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160; </div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structtag_o_n__2dex.html">tagON_2dex</a> <a class="code" href="structtag_o_n__2dex.html">ON_2dex</a>;</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160; </div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="comment">// triplet of integer indices.  This</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="comment">// is intentionally a struct/typedef</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="comment">// rather than a class so that it</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="comment">// can be used in other structs.</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="structtag_o_n__3dex.html">  325</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtag_o_n__3dex.html">tagON_3dex</a></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;{</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;  <span class="keywordtype">int</span> j;</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;  <span class="keywordtype">int</span> k;</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;};</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160; </div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structtag_o_n__3dex.html">tagON_3dex</a> <a class="code" href="structtag_o_n__3dex.html">ON_3dex</a>;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160; </div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160; </div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="comment">// quadruplet of integer indices.  This</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;<span class="comment">// is intentionally a struct/typedef</span></div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="comment">// rather than a class so that it</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="comment">// can be used in other structs.</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"><a class="line" href="structtag_o_n__4dex.html">  339</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structtag_o_n__4dex.html">tagON_4dex</a></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;{</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;  <span class="keywordtype">int</span> j;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;  <span class="keywordtype">int</span> k;</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;  <span class="keywordtype">int</span> l;</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;};</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160; </div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structtag_o_n__4dex.html">tagON_4dex</a> <a class="code" href="structtag_o_n__4dex.html">ON_4dex</a>;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160; </div>
<div class="line"><a name="l00349"></a><span class="lineno"><a class="line" href="union_o_n___u.html">  349</a></span>&#160;<span class="keyword">union </span><a class="code" href="union_o_n___u.html">ON_U</a></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;{</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;  <span class="keywordtype">char</span>      b[8]; <span class="comment">// 8 bytes</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;  ON__INT64 h;    <span class="comment">// 64 bit integer</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;  ON__INT32 i;    <span class="comment">// 32 bit integer</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;  <span class="keywordtype">int</span>       j[2]; <span class="comment">// two 32 bit integers</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;  <span class="keywordtype">void</span>*     p;</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;  <span class="keywordtype">double</span>    d;</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;};</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;<span class="preprocessor">#if defined(ON_CPLUSPLUS)</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160; </div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;<span class="comment">// OpenNurbs enums</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="keyword">class </span>PCL_EXPORTS ON_CLASS ON</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;{</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;<span class="comment">    Call before using openNURBS to ensure all class definitions</span></div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="comment">    are linked.</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> Begin();</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160; </div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160; </div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;<span class="comment">    Call when finished with openNURBS.</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="comment">    Currently does nothing.</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> End();</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160; </div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;  <span class="comment">// Version of opennurbs (YYYYMMDDn)</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;  <span class="keywordtype">int</span> Version();</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160; </div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;  <span class="comment">// McNeel subversion revsion used to build opennurbs</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* SourceRevision();</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160; </div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* DocumentationRevision();</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160; </div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* SourceBranch();</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160; </div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* DocumentationBranch();</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160; </div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160; </div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160; </div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;  FILE* OpenFile( <span class="comment">// like fopen() - needed when OpenNURBS is used as a DLL</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;          <span class="keyword">const</span> <span class="keywordtype">char</span>* filename,</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;          <span class="keyword">const</span> <span class="keywordtype">char</span>* filemode</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;          );</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160; </div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;  FILE* OpenFile( <span class="comment">// like fopen() - needed when OpenNURBS is used as a DLL</span></div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;          <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* filename,</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;          <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* filemode</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;          );</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160; </div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;  <span class="keywordtype">int</span> CloseFile( <span class="comment">// like fclose() - needed when OpenNURBS is used as a DLL</span></div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;          FILE* <span class="comment">// pointer returned by OpenFile()</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;          );</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160; </div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;  <span class="keywordtype">int</span> CloseAllFiles(); <span class="comment">// like _fcloseall() - needed when OpenNURBS is used as a DLL</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160; </div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="comment">    Uses the flavor of fstat that is appropriate for the platform.</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="comment">    filename - [in]</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;<span class="comment">    fp - [in]</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="comment">    filesize - [out] (can be NULL if you do not want filesize)</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="comment">    create_time - [out] (can be NULL if you do not want last create time)</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;<span class="comment">    lastmodify_time - [out] (can be NULL if you do not want last modification time)</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="comment">    True if file exists, can be opened for read, and fstat worked.</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;  <span class="keywordtype">bool</span> GetFileStats( <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* filename,</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;                     <span class="keywordtype">size_t</span>* filesize,</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;                     time_t* create_time,</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;                     time_t* lastmodify_time</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;                    );</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160; </div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;  <span class="keywordtype">bool</span> GetFileStats( FILE* fp,</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;                     <span class="keywordtype">size_t</span>* filesize,</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;                     time_t* create_time,</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;                     time_t* lastmodify_time</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;                    );</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160; </div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;<span class="comment">  Returns true if pathname is a directory.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> IsDirectory( <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* pathname );</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> IsDirectory( <span class="keyword">const</span> <span class="keywordtype">char</span>* utf8pathname );</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160; </div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="comment">  Returns</span></div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="comment">    If the file is an opennurbs file, the version of the file</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="comment">    is returned (2,3,4,50,...).</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment">    If the file is not an opennurbs file, 0 is returned.</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> IsOpenNURBSFile( <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* pathname );</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> IsOpenNURBSFile( <span class="keyword">const</span> <span class="keywordtype">char</span>* utf8pathname );</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> IsOpenNURBSFile( FILE* fp );</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160; </div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;  <span class="keyword">enum</span> eAnnotationType</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;  {</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    dtNothing,</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    dtDimLinear,</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    dtDimAligned,</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    dtDimAngular,</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    dtDimDiameter,</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;    dtDimRadius,</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    dtLeader,</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;    dtTextBlock,</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    dtDimOrdinate,</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;  };</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160; </div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;  <span class="keyword">static</span> eAnnotationType AnnotationType(<span class="keywordtype">int</span>); <span class="comment">// convert integer to eAnnotationType enum</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160; </div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160; </div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;  <span class="keyword">enum</span> eTextDisplayMode</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;  {</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    dtNormal = 0,</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    dtHorizontal = 1,</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    dtAboveLine = 2,</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;    dtInLine = 3,</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;  };</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160; </div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;  <span class="keyword">static</span> eTextDisplayMode TextDisplayMode( <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160; </div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;  <span class="comment">// Defines the current working space.</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;  <span class="keyword">enum</span> active_space</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;  {</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    no_space    = 0,</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    model_space = 1, <span class="comment">// 3d modeling or &quot;world&quot; space</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    page_space  = 2  <span class="comment">// page/layout/paper/printing space</span></div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;  };</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160; </div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;  <span class="keyword">static</span> active_space ActiveSpace(<span class="keywordtype">int</span>); <span class="comment">// convert integer to active_space enum</span></div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160; </div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160; </div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160; </div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;  <span class="keyword">enum</span> unit_system</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;  {</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;    <span class="comment">// The constant enum values are saved in 3dm files </span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;    <span class="comment">// and must never be changed.  The values &gt; 11 were</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    <span class="comment">// added 5 April 2006.</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;    no_unit_system =  0, </div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160; </div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;    <span class="comment">// atomic distances</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    angstroms      = 12,  <span class="comment">// 1.0e-10 meters</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160; </div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;    <span class="comment">// SI units</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;    nanometers     = 13,  <span class="comment">// 1.0e-9 meters</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;    microns        =  1,  <span class="comment">// 1.0e-6 meters</span></div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;    millimeters    =  2,  <span class="comment">// 1.0e-3 meters</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;    centimeters    =  3,  <span class="comment">// 1.0e-2 meters</span></div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    decimeters     = 14,  <span class="comment">// 1.0e-1 meters</span></div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;    meters         =  4,</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;    dekameters     = 15,  <span class="comment">// 1.0e+1 meters</span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;    hectometers    = 16,  <span class="comment">// 1.0e+2 meters</span></div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;    kilometers     =  5,  <span class="comment">// 1.0e+3 meters</span></div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;    megameters     = 17,  <span class="comment">// 1.0e+6 meters</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    gigameters     = 18,  <span class="comment">// 1.0e+9 meters</span></div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160; </div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;    <span class="comment">// english distances</span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;    microinches    =  6,  <span class="comment">//    2.54e-8 meters (1.0e-6 inches)</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;    mils           =  7,  <span class="comment">//    2.54e-5 meters (0.001 inches)</span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;    inches         =  8,  <span class="comment">//    0.0254  meters</span></div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;    feet           =  9,  <span class="comment">//    0.3408  meters (12 inches)</span></div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    yards          = 19,  <span class="comment">//    0.9144  meters (36 inches)</span></div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    miles          = 10,  <span class="comment">// 1609.344   meters (5280 feet)</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160; </div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    <span class="comment">// printer distances</span></div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;    printer_point  = 20,  <span class="comment">// 1/72 inches (computer points)</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    printer_pica   = 21,  <span class="comment">// 1/6 inches  (computer picas)</span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160; </div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;    <span class="comment">// terrestrial distances</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;    nautical_mile  = 22, <span class="comment">// 1852 meters </span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;                         <span class="comment">//    Approximately 1 minute of arc on a terrestrial great circle.</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;                         <span class="comment">//    See http://en.wikipedia.org/wiki/Nautical_mile.</span></div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160; </div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    <span class="comment">// astronomical distances</span></div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    astronomical   = 23, <span class="comment">// 1.4959787e+11 // http://en.wikipedia.org/wiki/Astronomical_unit</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;                         <span class="comment">// 1.495979e+11  // http://units.nist.gov/Pubs/SP811/appenB9.htm  </span></div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;                         <span class="comment">//    An astronomical unit (au) is the mean distance from the </span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;                         <span class="comment">//    center of the earth to the center of the sun.</span></div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;    lightyears     = 24, <span class="comment">// 9.4607304725808e+15 // http://en.wikipedia.org/wiki/Light_year</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;                         <span class="comment">// 9.46073e+15 meters  // http://units.nist.gov/Pubs/SP811/appenB9.htm</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;                         <span class="comment">//    A light year is the distance light travels in one Julian year.</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;                         <span class="comment">//    The speed of light is exactly 299792458 meters/second.</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;                         <span class="comment">//    A Julian year is exactly 365.25 * 86400 seconds and is </span></div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;                         <span class="comment">//    approximately the time it takes for one earth orbit.</span></div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    parsecs        = 25, <span class="comment">// 3.08567758e+16  // http://en.wikipedia.org/wiki/Parsec</span></div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;                         <span class="comment">// 3.085678e+16    // http://units.nist.gov/Pubs/SP811/appenB9.htm  </span></div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160; </div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;    <span class="comment">// Custom unit systems</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;    custom_unit_system = 11 <span class="comment">// x meters with x defined in ON_3dmUnitsAndTolerances.m_custom_unit_scale</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;  };</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160; </div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;  <span class="keyword">static</span> unit_system UnitSystem(<span class="keywordtype">int</span>); <span class="comment">// convert integer to unit_system enum</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160; </div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="comment">    Scale factor for changing unit &quot;standard&quot; systems.</span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="comment">    us_from - [in]</span></div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment">    us_to - [in] </span></div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;<span class="comment">  For example:</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="comment">          100.0 = ON::UnitScale( ON::meters, ON::centimeters ) </span></div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;<span class="comment">          2.54  = ON::UnitScale( ON::inches, ON::centimeters ) </span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;<span class="comment">          12.0  = ON::UnitScale( ON::feet,   ON::inches ) </span></div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;<span class="comment">    If you are using custom unit systems, use the version</span></div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;<span class="comment">    that takes ON_UnitSystem or ON_3dmUnitsAndTolerances </span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;<span class="comment">    parameters.</span></div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">double</span> UnitScale(</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;      ON::unit_system us_from,</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;      ON::unit_system us_to</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;      );</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">double</span> UnitScale(</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;      <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="class_o_n___unit_system.html">ON_UnitSystem</a>&amp; us_from, </div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;      <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="class_o_n___unit_system.html">ON_UnitSystem</a>&amp; us_to</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;      );</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">double</span> UnitScale(</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;      ON::unit_system us_from,</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;      <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="class_o_n___unit_system.html">ON_UnitSystem</a>&amp; us_to</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;      );</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">double</span> UnitScale(</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;      <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="class_o_n___unit_system.html">ON_UnitSystem</a>&amp; us_from, </div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;      ON::unit_system us_to</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;      );</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">double</span> UnitScale(</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;      <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="class_o_n__3dm_units_and_tolerances.html">ON_3dmUnitsAndTolerances</a>&amp; us_from, </div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;      <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="class_o_n__3dm_units_and_tolerances.html">ON_3dmUnitsAndTolerances</a>&amp; us_to</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;      );</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160; </div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160; </div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;<span class="comment">    Returns the string &quot; : &quot;.  This is the string Rhino uses</span></div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;<span class="comment">    to separate reference model names from the root name for </span></div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="comment">    things like layer, block definition, material, linetype,</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;<span class="comment">    dimstyle and font names.  </span></div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;<span class="comment">  See Also:</span></div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;<span class="comment">    ON::NameReferenceDelimiterLength()</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;<span class="comment">    ON::IsNameReferenceDelimiter()</span></div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* NameReferenceDelimiter();</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160; </div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;<span class="comment">    Returns the number of characters in the string returned</span></div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;<span class="comment">    by ON::NameReferenceDelimiter().</span></div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;<span class="comment">  See Also:</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;<span class="comment">    ON::NameReferenceDelimiterLength()</span></div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;<span class="comment">    ON::IsNameReferenceDelimiter()</span></div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> NameReferenceDelimiterLength();</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160; </div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="comment">    Test a string to see if its beginning matches the </span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="comment">    string returned by ON::NameReferenceDelimiter().</span></div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="comment">    s - [in];</span></div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;<span class="comment">      string to test.</span></div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;<span class="comment">    null:</span></div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;<span class="comment">      The beginning of the string does not match ON::NameReferenceDelimiter().</span></div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;<span class="comment">    non-null:</span></div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="comment">      The beginning of the string matches ON::NameReferenceDelimiter(). The</span></div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;<span class="comment">      returned pointer is the first character in s after the last character</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;<span class="comment">      of the delimiter.  Put another way, if the beginning of s matches</span></div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;<span class="comment">      the string  ON::NameReferenceDelimiter(), then the returned pointer is</span></div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;<span class="comment">      s + ON::NameReferenceDelimiterLength().</span></div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;<span class="comment">  See Also:</span></div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;<span class="comment">    ON::NameReferenceDelimiter()</span></div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;<span class="comment">    ON::NameReferenceDelimiterLength()</span></div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* IsNameReferenceDelimiter(<span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* s);</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160; </div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;  <span class="keyword">enum</span> distance_display_mode</div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;  {</div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;    decimal     = 0, </div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    fractional  = 1,</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;    feet_inches = 2</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;  };</div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160; </div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;  <span class="keyword">static</span> distance_display_mode DistanceDisplayMode(<span class="keywordtype">int</span>); <span class="comment">// convert integer to distance_display_mode enum</span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160; </div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160; </div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;  <span class="keyword">enum</span> point_style </div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;  {</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;    unknown_point_style   = 0,</div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    not_rational          = 1,</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;    homogeneous_rational  = 2,</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    euclidean_rational    = 3,</div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;    intrinsic_point_style = 4, <span class="comment">// point format used in definition</span></div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;    point_style_count     = 5</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;  };</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160; </div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;  <span class="keyword">static</span> point_style PointStyle(<span class="keywordtype">int</span>); <span class="comment">// convert integer to point_style enum</span></div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160; </div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;  <span class="keyword">enum</span> knot_style <span class="comment">// if a knot vector meets the conditions of two styles,</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;  {               <span class="comment">// then the style with the lowest value is used</span></div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;    unknown_knot_style     = 0, <span class="comment">// unknown knot style</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;    uniform_knots          = 1, <span class="comment">// uniform knots (ends not clamped)</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;    quasi_uniform_knots    = 2, <span class="comment">// uniform knots (clamped ends, degree &gt;= 2)</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;    piecewise_bezier_knots = 3, <span class="comment">// all internal knots have full multiplicity</span></div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;    clamped_end_knots      = 4, <span class="comment">// clamped end knots (with at least 1 interior non-uniform knot)</span></div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;    non_uniform_knots      = 5, <span class="comment">// known to be none of the above</span></div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;    knot_style_count       = 6</div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;  };</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160; </div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;  <span class="keyword">static</span> knot_style KnotStyle(<span class="keywordtype">int</span>); <span class="comment">// convert integer to knot_style enum</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160; </div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;  <span class="keyword">enum</span> continuity</div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;  {</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;    unknown_continuity = 0,</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160; </div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;    <span class="comment">// These test for parametric continuity.  In particular,</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;    <span class="comment">// all types of ON_Curves are considered infinitely </span></div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;    <span class="comment">// continuous at the start/end of the evaluation domain.</span></div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;    C0_continuous =  1, <span class="comment">// continuous function</span></div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;    C1_continuous =  2, <span class="comment">// continuous first derivative</span></div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;    C2_continuous =  3, <span class="comment">// continuous first and second derivative</span></div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;    G1_continuous =  4, <span class="comment">// continuous unit tangent</span></div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;    G2_continuous =  5, <span class="comment">// continuous unit tangent and curvature</span></div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160; </div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;    <span class="comment">// 20 March 2003 Dale Lear added these.</span></div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;    <span class="comment">//</span></div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;    <span class="comment">// Continuity tests using the following enum values</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;    <span class="comment">// are identical to tests using the preceding enum values</span></div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;    <span class="comment">// on the INTERIOR of a curve&#39;s domain.  At the END of</span></div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;    <span class="comment">// a curve a &quot;locus&quot; test is performed in place of a </span></div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;    <span class="comment">// parametric test. In particular, at the END of a domain,</span></div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;    <span class="comment">// all open curves are locus discontinuous.  At the END of</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;    <span class="comment">// a domain, all closed curves are at least C0_locus_continuous.</span></div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;    <span class="comment">// By convention all ON_Curves are considered </span></div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;    <span class="comment">// locus continuous at the START of the evaluation domain.</span></div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;    <span class="comment">// This convention is not strictly correct, but is was</span></div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;    <span class="comment">// adopted to make iterative kink finding tools easier to</span></div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;    <span class="comment">// use and so that locus discontinuities are reported once</span></div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;    <span class="comment">// at the end parameter of a curve rather than twice.</span></div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;    C0_locus_continuous =  6, <span class="comment">// locus continuous function</span></div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;    C1_locus_continuous =  7, <span class="comment">// locus continuous first derivative</span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;    C2_locus_continuous =  8, <span class="comment">// locus continuous first and second derivative</span></div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;    G1_locus_continuous =  9, <span class="comment">// locus continuous unit tangent</span></div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;    G2_locus_continuous = 10, <span class="comment">// locus continuous unit tangent and curvature</span></div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160; </div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;    Cinfinity_continuous = 11, <span class="comment">// analytic discontinuity</span></div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;    Gsmooth_continuous = 12    <span class="comment">// aesthetic discontinuity</span></div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;  };</div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160; </div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;<span class="comment">    Convert int to ON::continuity enum value</span></div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;  <span class="keyword">static</span> continuity Continuity(<span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160; </div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;<span class="comment">    Convert int to ON::continuity enum value and</span></div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;<span class="comment">    convert the locus flavored values to the parametric</span></div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;<span class="comment">    flavored values.</span></div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;  <span class="keyword">static</span> continuity ParametricContinuity(<span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160; </div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;<span class="comment">    Convert int to ON::continuity enum value and</span></div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;<span class="comment">    convert the higher order flavored values to </span></div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;<span class="comment">    the corresponding C1 or G1 values needed to</span></div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;<span class="comment">    test piecewise linear curves.</span></div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;  <span class="keyword">static</span> continuity PolylineContinuity(<span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160; </div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;  <span class="keyword">enum</span> curve_style </div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;  {</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    unknown_curve_style   =  0,</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;    line                  =  1,</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;    circle                =  2,</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;    ellipse               =  3, <span class="comment">// with distinct foci (not a circle)</span></div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;    parabola              =  4,</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;    hyperbola             =  5,</div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;    planar_polyline       =  6, <span class="comment">// not a line segment</span></div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;    polyline              =  7, <span class="comment">// non-planar polyline</span></div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    planar_freeform_curve =  8, <span class="comment">// planar but none of the above</span></div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;    freeform_curve        =  9, <span class="comment">// known to be none of the above</span></div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;    curve_style_count     = 10</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;  };</div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160; </div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;  <span class="keyword">static</span> curve_style CurveStyle(<span class="keywordtype">int</span>); <span class="comment">// convert integer to curve_style enum</span></div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160; </div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;  <span class="keyword">enum</span> surface_style </div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;  {</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;    unknown_surface_style =  0,</div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;    plane                 =  1,</div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;    circular_cylinder     =  2, <span class="comment">// portion of right circular cylinder</span></div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;    elliptical_cylinder   =  3, <span class="comment">// portion of right elliptical cylinder</span></div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;    circular_cone         =  4, <span class="comment">// portion of right circular cone</span></div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;    elliptical_cone       =  5, <span class="comment">// portion of right elliptical cone</span></div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    sphere                =  6, <span class="comment">// portion of sphere</span></div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;    torus                 =  7, <span class="comment">// portion of torus</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    surface_of_revolution =  8, <span class="comment">// portion of surface of revolution that is none of the above</span></div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;    ruled_surface         =  9, <span class="comment">// portion of a ruled surface this is none of the above</span></div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;    freeform_surface      = 10, <span class="comment">// known to be none of the above</span></div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;    surface_style_count   = 11</div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;  };</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160; </div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;  <span class="keyword">static</span> surface_style SurfaceStyle(<span class="keywordtype">int</span>); <span class="comment">// convert integer to surface_style enum</span></div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160; </div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;  <span class="keyword">enum</span> sort_algorithm</div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;  {</div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;    heap_sort  = 0,</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;    quick_sort = 1</div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;  };</div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160; </div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;  <span class="keyword">static</span> sort_algorithm SortAlgorithm(<span class="keywordtype">int</span>); <span class="comment">// convert integer to sort_method enum</span></div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160; </div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;  <span class="keyword">enum</span> endian {</div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;    little_endian = 0, <span class="comment">// least significant byte first or reverse byte order - Intel x86, ...</span></div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;    big_endian    = 1  <span class="comment">// most significant byte first - Motorola, Sparc, MIPS, ...</span></div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;  };</div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160; </div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;  <span class="keyword">static</span> endian Endian(<span class="keywordtype">int</span>); <span class="comment">// convert integer to endian enum</span></div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;  <span class="keyword">static</span> endian Endian();    <span class="comment">// returns endian-ness of current CPU</span></div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160; </div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;  <span class="keyword">enum</span> archive_mode</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;  {</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;    unknown_archive_mode = 0,</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    read      = 1, <span class="comment">// all read modes have bit 0x0001 set</span></div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;    write     = 2, <span class="comment">// all write modes have bit 0x0002 set</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;    readwrite = 3,</div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;    read3dm   = 5,</div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;    write3dm  = 6</div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;  };</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;  <span class="keyword">static</span> archive_mode ArchiveMode(<span class="keywordtype">int</span>); <span class="comment">// convert integer to endian enum</span></div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160; </div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160; </div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160; </div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;  <span class="comment">// The x/y/z_2pt_perspective_view projections are ordinary perspective</span></div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;  <span class="comment">// projection. Using these values insures the ON_Viewport member </span></div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;  <span class="comment">// fuctions properly constrain the camera up and camera direction vectors</span></div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;  <span class="comment">// to preserve the specified perspective vantage.</span></div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;  <span class="keyword">enum</span> view_projection</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;  { </div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;    unknown_view       = 0,</div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;    parallel_view      = 1,</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    perspective_view   = 2</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;  };</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160; </div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;<span class="comment">    Converts integer into ON::view_projection enum value.</span></div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;<span class="comment">    i - [in]</span></div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;<span class="comment">    ON::view_projection enum with same value as i.</span></div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;<span class="comment">    If i is not an ON::view_projection enum value,</span></div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;<span class="comment">    then ON::unknow_view is returned.</span></div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;  <span class="keyword">static</span> view_projection ViewProjection(<span class="keywordtype">int</span> i);</div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160; </div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;<span class="comment">    projection - [in]</span></div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;<span class="comment">    True if projection is ON::perspective_view.</span></div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> IsPerspectiveProjection( ON::view_projection projection );</div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160; </div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160; </div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;<span class="comment">    projection - [in]</span></div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;<span class="comment">    True if projection is ON::parallel_view.</span></div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> IsParallelProjection( ON::view_projection projection );</div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160; </div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160; </div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;  <span class="keyword">enum</span> coordinate_system </div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;  {</div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;    world_cs  = 0, </div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;    camera_cs = 1, </div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;    clip_cs   = 2, </div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;    screen_cs = 3 </div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;  };</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160; </div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;  <span class="keyword">static</span> coordinate_system CoordinateSystem(<span class="keywordtype">int</span>); <span class="comment">// convert integer to coordinate_system enum</span></div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160; </div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;    <span class="keyword">enum</span> exception_type </div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;  {</div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    unknown_exception = 0,</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;        out_of_memory,  </div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;    corrupt_object,               <span class="comment">// invalid object encountered - continuing would crash or</span></div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;                                  <span class="comment">// result in corrupt object being saved in archive.</span></div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;        unable_to_write_archive,      <span class="comment">// write operation failed - out of file space/read only mode/...?</span></div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;        unable_to_read_archive,       <span class="comment">// read operation failed - truncated archive/locked file/... ?</span></div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;        unable_to_seek_archive,       <span class="comment">// seek operation failed - locked file/size out of bounds/... ?</span></div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;        unexpected_end_of_archive,    <span class="comment">// truncated archive</span></div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;        unexpected_value_in_archive   <span class="comment">// corrupt archive?</span></div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;  };</div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;  <span class="keyword">static</span> exception_type ExceptionType(<span class="keywordtype">int</span>); <span class="comment">// convert integer to exception_type enum</span></div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160; </div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;  <span class="comment">// OBSOLETE </span></div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;    <span class="keyword">enum</span> layer_mode </div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;  {</div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;    normal_layer       = 0, <span class="comment">// visible, objects on layer can be selected and changed</span></div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;    hidden_layer       = 1, <span class="comment">// not visible, objects on layer cannot be selected or changed</span></div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;    locked_layer       = 2, <span class="comment">// visible, objects on layer cannot be selected or changed</span></div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;    layer_mode_count   = 3</div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;  };</div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;  <span class="keyword">static</span> layer_mode LayerMode(<span class="keywordtype">int</span>); <span class="comment">// convert integer to layer_mode enum</span></div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160; </div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;    <span class="keyword">enum</span> object_mode </div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;  {</div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;    normal_object    = 0, <span class="comment">// object mode comes from layer</span></div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;    hidden_object    = 1, <span class="comment">// not visible, object cannot be selected or changed</span></div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;    locked_object    = 2, <span class="comment">// visible, object cannot be selected or changed</span></div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;    idef_object      = 3, <span class="comment">// object is part of an ON_InstanceDefinition.  The</span></div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;                          <span class="comment">// ON_InstanceDefinition m_object_uuid[] array will</span></div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;                          <span class="comment">// contain this object attribute&#39;s uuid.</span></div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;    object_mode_count = 4</div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;  };</div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;  <span class="keyword">static</span> object_mode ObjectMode(<span class="keywordtype">int</span>); <span class="comment">// convert integer to object_mode enum</span></div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160; </div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;    <span class="keyword">enum</span> object_color_source</div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;  {</div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;    color_from_layer    = 0, <span class="comment">// use color assigned to layer</span></div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;    color_from_object   = 1, <span class="comment">// use color assigned to object</span></div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;    color_from_material = 2, <span class="comment">// use diffuse render material color</span></div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;    color_from_parent   = 3  <span class="comment">// for objects with parents (like objects in instance references, use parent linetype)</span></div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;                             <span class="comment">// if no parent, treat as color_from_layer</span></div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;  };</div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;  <span class="keyword">static</span> object_color_source ObjectColorSource(<span class="keywordtype">int</span>); <span class="comment">// convert integer to object_color_source enum</span></div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160; </div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;    <span class="keyword">enum</span> plot_color_source</div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;  {</div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;    plot_color_from_layer   = 0, <span class="comment">// use plot color assigned to layer</span></div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;    plot_color_from_object  = 1, <span class="comment">// use plot color assigned to object</span></div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;    plot_color_from_display = 2, <span class="comment">// use display color</span></div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;    plot_color_from_parent  = 3  <span class="comment">// for objects with parents (like objects in instance references, use parent plot color)</span></div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;                                 <span class="comment">// if no parent, treat as plot_color_from_layer</span></div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;  };</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;  <span class="keyword">static</span> plot_color_source PlotColorSource(<span class="keywordtype">int</span>); <span class="comment">// convert integer to plot_color_source enum</span></div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160; </div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;    <span class="keyword">enum</span> plot_weight_source</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;  {</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;    plot_weight_from_layer   = 0, <span class="comment">// use plot color assigned to layer</span></div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;    plot_weight_from_object  = 1, <span class="comment">// use plot color assigned to object</span></div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;    plot_weight_from_parent  = 3  <span class="comment">// for objects with parents (like objects in instance references, use parent plot color)</span></div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;                                  <span class="comment">// if no parent, treat as plot_color_from_layer</span></div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;  };</div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;  <span class="keyword">static</span> plot_weight_source PlotWeightSource(<span class="keywordtype">int</span>); <span class="comment">// convert integer to plot_color_source enum</span></div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160; </div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;    <span class="keyword">enum</span> object_linetype_source</div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;  {</div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;    linetype_from_layer  = 0, <span class="comment">// use line style assigned to layer</span></div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;    linetype_from_object = 1, <span class="comment">// use line style assigned to object</span></div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;    linetype_from_parent = 3  <span class="comment">// for objects with parents (like objects in instance references, use parent linetype)</span></div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;                              <span class="comment">// if not parent, treat as linetype_from_layer.</span></div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;  };</div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;  <span class="keyword">static</span> object_linetype_source ObjectLinetypeSource(<span class="keywordtype">int</span>); <span class="comment">// convert integer to object_linetype_source enum</span></div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160; </div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;    <span class="keyword">enum</span> object_material_source</div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;  {</div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;    material_from_layer  = 0, <span class="comment">// use material assigned to layer</span></div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;    material_from_object = 1, <span class="comment">// use material assigned to object</span></div>
<div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;    material_from_parent = 3  <span class="comment">// for objects with parents, like </span></div>
<div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;                              <span class="comment">// definition geometry in instance</span></div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;                              <span class="comment">// references and faces in polysurfaces,</span></div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;                              <span class="comment">// this value indicates the material</span></div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;                              <span class="comment">// definition should come from the parent.</span></div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;                              <span class="comment">// If the object does not have an </span></div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;                              <span class="comment">// obvious &quot;parent&quot;, then treat</span></div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;                              <span class="comment">// it the same as material_from_layer.</span></div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;  };</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;  <span class="keyword">static</span> object_material_source ObjectMaterialSource(<span class="keywordtype">int</span>); <span class="comment">// convert integer to object_color_source enum</span></div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160; </div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;  <span class="keyword">enum</span> light_style</div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;  {</div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;    unknown_light_style      = 0,</div>
<div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;    <span class="comment">//view_directional_light   = 1, // light location and direction in clip coordinates</span></div>
<div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;    <span class="comment">//view_point_light         = 2,</span></div>
<div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;    <span class="comment">//view_spot_light          = 3,</span></div>
<div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;    camera_directional_light = 4, <span class="comment">// light location and direction in camera coordinates</span></div>
<div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;    camera_point_light       = 5, <span class="comment">//   +x points to right, +y points up, +z points towards camera</span></div>
<div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;    camera_spot_light        = 6,</div>
<div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;    world_directional_light  = 7, <span class="comment">// light location and direction in world coordinates</span></div>
<div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;    world_point_light        = 8, </div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;    world_spot_light         = 9,</div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;    ambient_light            = 10, <span class="comment">// pure ambient light</span></div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;    world_linear_light       = 11,</div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;    world_rectangular_light  = 12,</div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;    light_style_count        = 13</div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;  };</div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;  <span class="keyword">static</span> light_style LightStyle(<span class="keywordtype">int</span>); <span class="comment">// convert integer to light_style enum</span></div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160; </div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;  <span class="keyword">enum</span> curvature_style</div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;  {</div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;    unknown_curvature_style = 0,</div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;    gaussian_curvature = 1,</div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;    mean_curvature = 2, <span class="comment">// unsigned mean curvature</span></div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;    min_curvature  = 3, <span class="comment">// minimum unsigned radius of curvature</span></div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;    max_curvature  = 4, <span class="comment">// maximum unsigned radius of curvature</span></div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;    curvature_style_count = 5</div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;  };</div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;  <span class="keyword">static</span> curvature_style CurvatureStyle(<span class="keywordtype">int</span>); <span class="comment">// convert integer to curvature_style enum</span></div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160; </div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;  <span class="keyword">enum</span> display_mode</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;  {</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;    default_display       = 0, <span class="comment">// default display</span></div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;    wireframe_display     = 1, <span class="comment">// wireframe display</span></div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;    shaded_display        = 2, <span class="comment">// shaded display</span></div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    renderpreview_display = 3  <span class="comment">// render preview display</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;  };</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;  <span class="keyword">static</span> display_mode DisplayMode(<span class="keywordtype">int</span>); <span class="comment">// convert integer to display_mode enum</span></div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160; </div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160; </div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;  <span class="keyword">enum</span> view_type</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;  {</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;    model_view_type  = 0,       <span class="comment">// standard model space 3d view</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;    page_view_type   = 1,       <span class="comment">// a.k.a &quot;paper space&quot;, &quot;plot view&quot;, etc.</span></div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;                                <span class="comment">// A page view must be orthographic,</span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;                                <span class="comment">// the camera frame x,y,z direction must be</span></div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;                                <span class="comment">// world x,y,z (which means the camera direction</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;                                <span class="comment">// is always (0,0,-1)).  </span></div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;    nested_view_type = 2,       <span class="comment">// This view is a &quot;model&quot; view that is nested</span></div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;                                <span class="comment">// in another view.  The nesting and parent</span></div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;                                <span class="comment">// information is saved in ON_3dmView.</span></div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;  };</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;  <span class="keyword">static</span> view_type ViewType(<span class="keywordtype">int</span>); <span class="comment">// convert integer to display_mode enum</span></div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160; </div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160; </div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;  <span class="comment">//</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;  <span class="comment">// OBSOLETE </span></div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;  <span class="keyword">enum</span> texture_mode</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;  {</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;    no_texture = 0,        <span class="comment">// texture disabled</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;    modulate_texture = 1,  <span class="comment">// modulate with material diffuse color</span></div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;    decal_texture = 2      <span class="comment">// decal</span></div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;  };</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;  <span class="comment">// OBSOLETE </span></div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;  <span class="keyword">static</span> texture_mode TextureMode(<span class="keywordtype">int</span>); <span class="comment">// convert integer to texture_mode enum</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;  <span class="comment">// OBSOLETE </span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;  <span class="comment">//</span></div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;  <span class="keyword">enum</span> object_type</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;  {</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;    <span class="comment">// Use with ON_Object::ObjectType() in situations where</span></div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;    <span class="comment">// using a switch() is better than a long string of if else if ...</span></div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;    <span class="comment">// if ( ON_Curve::Cast() ) ... else if ( ON_Surface::Cast() ) ...</span></div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;    <span class="comment">// ...</span></div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;    unknown_object_type  =          0,</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160; </div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;    point_object         =          1, <span class="comment">// some type of ON_Point</span></div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;    pointset_object      =          2, <span class="comment">// some type of ON_PointCloud, ON_PointGrid, ...</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;    curve_object         =          4, <span class="comment">// some type of ON_Curve like ON_LineCurve, ON_NurbsCurve, etc.</span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;    surface_object       =          8, <span class="comment">// some type of ON_Surface like ON_PlaneSurface, ON_NurbsSurface, etc.</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;    brep_object          =       0x10, <span class="comment">// some type of ON_Brep</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;    mesh_object          =       0x20, <span class="comment">// some type of ON_Mesh</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;    layer_object         =       0x40, <span class="comment">// some type of ON_Layer</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;    material_object      =       0x80, <span class="comment">// some type of ON_Material</span></div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;    light_object         =      0x100, <span class="comment">// some type of ON_Light</span></div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;    annotation_object    =      0x200, <span class="comment">// some type of ON_Annotation</span></div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;    userdata_object      =      0x400, <span class="comment">// some type of ON_UserData</span></div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;    instance_definition  =      0x800, <span class="comment">// some type of ON_InstanceDefinition</span></div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;    instance_reference   =     0x1000, <span class="comment">// some type of ON_InstanceRef</span></div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;    text_dot             =     0x2000, <span class="comment">// some type of ON_TextDot</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;    grip_object          =     0x4000, <span class="comment">// selection filter value - not a real object type</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;    detail_object        =     0x8000, <span class="comment">// some type of ON_DetailView</span></div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;    hatch_object         =    0x10000, <span class="comment">// some type of ON_Hatch</span></div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;    morph_control_object =    0x20000, <span class="comment">// some type of ON_MorphControl</span></div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;    loop_object          =    0x80000, <span class="comment">// some type of ON_BrepLoop</span></div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;    polysrf_filter       =   0x200000, <span class="comment">// selection filter value - not a real object type</span></div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;    edge_filter          =   0x400000, <span class="comment">// selection filter value - not a real object type</span></div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;    polyedge_filter      =   0x800000, <span class="comment">// selection filter value - not a real object type</span></div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;    meshvertex_object    = 0x01000000, <span class="comment">// some type of ON_MeshVertexRef</span></div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;    meshedge_object      = 0x02000000, <span class="comment">// some type of ON_MeshEdgeRef</span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;    meshface_object      = 0x04000000, <span class="comment">// some type of ON_MeshFaceRef</span></div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;    cage_object          = 0x08000000, <span class="comment">// some type of ON_NurbsCage</span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;    phantom_object       = 0x10000000,</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;    clipplane_object     = 0x20000000,</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;    beam_object          = 0x40000000, <span class="comment">// obsolete - use extrusion_object</span></div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;    extrusion_object     = 0x40000000, <span class="comment">// some type of ON_Extrusion</span></div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;    </div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;    any_object           = 0xFFFFFFFF</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160; </div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;    <span class="comment">// Please discuss any changes with Dale Lear</span></div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;  };</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160; </div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;  <span class="keyword">static</span> object_type ObjectType(<span class="keywordtype">int</span>); <span class="comment">// convert integer to object_type enum</span></div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160; </div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;  <span class="keyword">enum</span> bitmap_type</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;  {</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;    unknown_bitmap_type = 0,</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;    windows_bitmap = 1,     <span class="comment">// BITMAPINFO style</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;    opengl_bitmap = 2,      <span class="comment">// unpacked OpenGL RGB or RGBA</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;    png_bitmap = 3</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;  };</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;  <span class="keyword">static</span> bitmap_type BitmapType(<span class="keywordtype">int</span>); <span class="comment">// convert integer to bitmap_type enum</span></div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160; </div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;  <span class="keyword">enum</span> object_decoration</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;  {</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;    no_object_decoration = 0,</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;    start_arrowhead      = 0x08, <span class="comment">// arrow head at start</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;    end_arrowhead        = 0x10, <span class="comment">// arrow head at end</span></div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;    both_arrowhead       = 0x18  <span class="comment">// arrow heads at start and end</span></div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;  };</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;  <span class="keyword">static</span> object_decoration ObjectDecoration(<span class="keywordtype">int</span>); <span class="comment">// convert integer to line_pattern enum</span></div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160; </div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;  <span class="keyword">enum</span> mesh_type</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;  {</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;    default_mesh  = 0,</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;    render_mesh   = 1,</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;    analysis_mesh = 2,</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;    preview_mesh  = 3,</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;    any_mesh      = 4</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;  };</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;  <span class="keyword">static</span> mesh_type MeshType(<span class="keywordtype">int</span>); <span class="comment">// convert integer to mesh_type enum</span></div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160; </div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160; </div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;  <span class="comment">// Types of object snapping.  </span></div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;  <span class="comment">// In situations where more than one type of snap applies, </span></div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;  <span class="comment">// snaps with higher value take precedence.</span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;  <span class="comment">// enum values must be a power of 2.</span></div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;  <span class="comment">// ON_ObjRef saves these values in files.  Do not change</span></div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;  <span class="comment">// the values.  The reason for the gaps between the enum</span></div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;  <span class="comment">// values is to leave room for future snaps with prededence</span></div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;  <span class="comment">// falling between existing snaps</span></div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;  <span class="keyword">enum</span> osnap_mode</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;  {</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;    os_none          =          0,</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;    os_near          =          2,</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;    os_focus         =          8,</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;    os_center        =       0x20,</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;    os_vertex        =       0x40,</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;    os_knot          =       0x80,</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;    os_quadrant      =      0x200,</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;    os_midpoint      =      0x800,</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;    os_intersection  =     0x2000,</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;    os_end           =    0x20000,</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;    os_perpendicular =    0x80000,</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;    os_tangent       =   0x200000,</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;    os_point         = 0x08000000,</div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;    os_all_snaps     = 0xFFFFFFFF</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;  };</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;  <span class="keyword">static</span> osnap_mode OSnapMode(<span class="keywordtype">int</span>); <span class="comment">// convert integer to osnap_mode enum</span></div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160; </div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160; </div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;  <span class="keyword">enum</span> eCurveType</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;  {</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;    ctCurve, <span class="comment">// nothing</span></div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;    ctArc,</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;    ctCircle,</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160;    ctLine,</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160;    ctNurbs,</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>&#160;    ctOnsurface,</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>&#160;    ctProxy,</div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>&#160;    ctPolycurve,</div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>&#160;    ctPolyline,</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>&#160;  };</div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>&#160; </div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>&#160; </div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>&#160;  <span class="comment">//</span></div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>&#160;  <span class="comment">// End condition paramter values for  ON_Curve::CreateCubicLoft() and</span></div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>&#160;  <span class="comment">// ON_Surface::CreateCubicLoft().</span></div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;  <span class="keyword">enum</span> cubic_loft_end_condition</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;  {</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;    cubic_loft_ec_quadratic      = 0,</div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;    cubic_loft_ec_linear         = 1,</div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;    cubic_loft_ec_cubic          = 2,</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;    cubic_loft_ec_natural        = 3,</div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;    cubic_loft_ec_unit_tangent   = 4,</div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;    cubic_loft_ec_1st_derivative = 5,</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;    cubic_loft_ec_2nd_derivative = 6,</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;    cubic_loft_ec_free_cv        = 7</div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;  };</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160; </div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;<span class="comment">    Convert an integer to cubic_loft_end_condition enum.</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;<span class="comment">    i - [in]</span></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;<span class="comment">    corresponding cubic_loft_end_condition enum value.</span></div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;<span class="comment">    If i does not correspond to a cubic_loft_end_condition</span></div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;<span class="comment">    enum value, then cubic_loft_ec_quadratic is returned.</span></div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;  <span class="keyword">static</span> </div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;  cubic_loft_end_condition CubicLoftEndCondition(<span class="keywordtype">int</span> i); </div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160; </div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;  <span class="comment">// prohibit instantiaion</span></div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;  <span class="comment">//ON();             // no implementation</span></div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160;  <span class="comment">//ON( const ON&amp; );  // no implementation</span></div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;  <span class="comment">//~ON();            // no implementation</span></div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160;};</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160; </div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160; </div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;<span class="comment">  Component indices are used to provide a persistent way</span></div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;<span class="comment">  to identify portions of complex objects.</span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;<span class="keyword">class </span>ON_CLASS ON_COMPONENT_INDEX</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;{</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160; </div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;  <span class="comment">// Do not change these values; they are stored in 3dm archives</span></div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;  <span class="comment">// and provide a persistent way to indentify components of</span></div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;  <span class="comment">// complex objects.</span></div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;  <span class="keyword">enum</span> TYPE</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;  {</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;    invalid_type       =   0,</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160; </div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;    brep_vertex        =   1,</div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;    brep_edge          =   2,</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;    brep_face          =   3,</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;    brep_trim          =   4,</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160;    brep_loop          =   5,</div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160; </div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;    mesh_vertex        =  11,</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;    meshtop_vertex     =  12,</div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;    meshtop_edge       =  13,</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;    mesh_face          =  14,</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160; </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;    idef_part          =  21,</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160; </div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;    polycurve_segment  =  31,</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160; </div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;    pointcloud_point   =  41,</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160; </div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;    group_member       =  51,</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160; </div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160; </div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;    extrusion_bottom_profile = 61, <span class="comment">// 3d bottom profile curves</span></div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;                                   <span class="comment">//   index identifies profile component</span></div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;    extrusion_top_profile    = 62, <span class="comment">// 3d top profile curves</span></div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160;                                   <span class="comment">//   index identifies profile component</span></div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>&#160;    extrusion_wall_edge      = 63, <span class="comment">// 3d wall edge curve</span></div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>&#160;                                   <span class="comment">//   index/2: identifies profile component</span></div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>&#160;                                   <span class="comment">//   index%2: 0 = start, 1 = end</span></div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>&#160;    extrusion_wall_surface   = 64, <span class="comment">// side wall surfaces</span></div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>&#160;                                   <span class="comment">//   index: identifies profile component</span></div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>&#160;    extrusion_cap_surface    = 65, <span class="comment">// bottom and top cap surfaces</span></div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>&#160;                                   <span class="comment">//   index: 0 = bottom, 1 = top</span></div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>&#160;    extrusion_path           = 66, <span class="comment">// extrusion path (axis line)</span></div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>&#160;                                   <span class="comment">//   index -1 = entire path, 0 = start point, 1 = endpoint</span></div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>&#160; </div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>&#160;    dim_linear_point   = 100,</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>&#160;    dim_radial_point   = 101,</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;    dim_angular_point  = 102,</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;    dim_ordinate_point = 103,</div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160;    dim_text_point     = 104,</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160; </div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;    no_type           = 0xFFFFFFFF</div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;  };</div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160; </div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;<span class="comment">    Safe conversion of integer value to TYPE enum.</span></div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;<span class="comment">    i - [in] integer with value equal to one of the TYPE enums.</span></div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;<span class="comment">    The TYPE enum with the same numeric value </span></div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160;<span class="comment">    or ON_COMPONENT_INDEX::invalid_type if no corresponding enum</span></div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>&#160;<span class="comment">    exists.</span></div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>&#160;  <span class="keyword">static</span> </div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>&#160;  TYPE Type(<span class="keywordtype">int</span> i);</div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>&#160; </div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>&#160;<span class="comment">    Dictionary compare on m_type, m_index as ints.</span></div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>&#160;<span class="comment">    &lt; 0: a &lt; b</span></div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>&#160;<span class="comment">    = 0: a = b</span></div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>&#160;<span class="comment">    &gt; 0: a &gt; b</span></div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;  <span class="keyword">static</span></div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160;  <span class="keywordtype">int</span> Compare( <span class="keyword">const</span> ON_COMPONENT_INDEX* a, <span class="keyword">const</span> ON_COMPONENT_INDEX* b);</div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160; </div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;<span class="comment">    Sets m_type = invalid_type and m_index = -1.</span></div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;  ON_COMPONENT_INDEX();</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160; </div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;<span class="comment">    Sets m_type = type and m_index = index.</span></div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160;  ON_COMPONENT_INDEX(TYPE type,<span class="keywordtype">int</span> index);</div>
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>&#160; </div>
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>&#160;  <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> ON_COMPONENT_INDEX&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span>&#160;  <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> ON_COMPONENT_INDEX&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>&#160;  <span class="keywordtype">bool</span> operator&lt;(<span class="keyword">const</span> ON_COMPONENT_INDEX&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>&#160;  <span class="keywordtype">bool</span> operator&lt;=(<span class="keyword">const</span> ON_COMPONENT_INDEX&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>&#160;  <span class="keywordtype">bool</span> operator&gt;(<span class="keyword">const</span> ON_COMPONENT_INDEX&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>&#160;  <span class="keywordtype">bool</span> operator&gt;=(<span class="keyword">const</span> ON_COMPONENT_INDEX&amp; other) <span class="keyword">const</span>;</div>
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>&#160; </div>
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span>&#160;  <span class="keywordtype">void</span> Set(TYPE type,<span class="keywordtype">int</span> index);</div>
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>&#160; </div>
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;<span class="comment">    Sets m_type = invalid_type and m_index = -1.</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;  <span class="keywordtype">void</span> UnSet();</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160; </div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;<span class="comment">    True if m_type is set to a TYPE enum value between</span></div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;<span class="comment">    brep_vertex and polycurve_segment.</span></div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;  <span class="keywordtype">bool</span> IsSet() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160; </div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;<span class="comment">    True if m_type is set to one of the mesh or meshtop</span></div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;<span class="comment">    TYPE enum values and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;  <span class="keywordtype">bool</span> IsMeshComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160; </div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;<span class="comment">    True if m_type is set to one of the </span></div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160;<span class="comment">    brep TYPE enum values and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;  <span class="keywordtype">bool</span> IsBrepComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160; </div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;<span class="comment">    True if m_type = idef_part and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;  <span class="keywordtype">bool</span> IsIDefComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160; </div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;<span class="comment">    True if m_type = polycurve_segment and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;  <span class="keywordtype">bool</span> IsPolyCurveComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160; </div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;<span class="comment">    True if m_type = group_member and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;  <span class="keywordtype">bool</span> IsGroupMemberComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160; </div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;<span class="comment">    True if m_type = extrusion_bottom_profile or extrusion_top_profile</span></div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;<span class="comment">    and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;  <span class="keywordtype">bool</span> IsExtrusionProfileComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160; </div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;<span class="comment">    True if m_type = extrusion_path and -1 &lt;= m_index &lt;= 1.</span></div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;  <span class="keywordtype">bool</span> IsExtrusionPathComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160; </div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;<span class="comment">    True if m_type = extrusion_wall_edge and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;  <span class="keywordtype">bool</span> IsExtrusionWallEdgeComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160; </div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;<span class="comment">    True if m_type = extrusion_wall_surface and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;  <span class="keywordtype">bool</span> IsExtrusionWallSurfaceComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160; </div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;<span class="comment">    True if m_type = extrusion_wall_surface or extrusion_wall_edge</span></div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;<span class="comment">    and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160;  <span class="keywordtype">bool</span> IsExtrusionWallComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160; </div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>&#160;<span class="comment">    True if m_type = extrusion_bottom_profile, extrusion_top_profile,</span></div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>&#160;<span class="comment">    extrusion_wall_edge, extrusion_wall_surface, extrusion_cap_surface</span></div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>&#160;<span class="comment">    or extrusion_path and m_index is reasonable.</span></div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>&#160;  <span class="keywordtype">bool</span> IsExtrusionComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>&#160; </div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>&#160;<span class="comment">    True if m_type = pointcloud_point and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;  <span class="keywordtype">bool</span> IsPointCloudComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160; </div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;<span class="comment">    True if m_type = dim_... and m_index &gt;= 0.</span></div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;  <span class="keywordtype">bool</span> IsAnnotationComponentIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160; </div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;  TYPE m_type;</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160; </div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;<span class="comment">  The interpretation of m_index depends on the m_type value.</span></div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;<span class="comment">    m_type             m_index interpretation (0 based indices)</span></div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;<span class="comment">    no_type            used when context makes it clear what array is being index</span></div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;<span class="comment">    brep_vertex        ON_Brep.m_V[] array index</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;<span class="comment">    brep_edge          ON_Brep.m_E[] array index</span></div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;<span class="comment">    brep_face          ON_Brep.m_F[] array index</span></div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;<span class="comment">    brep_trim          ON_Brep.m_T[] array index</span></div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160;<span class="comment">    brep_loop          ON_Brep.m_L[] array index</span></div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>&#160;<span class="comment">    mesh_vertex        ON_Mesh.m_V[] array index</span></div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span>&#160;<span class="comment">    meshtop_vertex     ON_MeshTopology.m_topv[] array index</span></div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>&#160;<span class="comment">    meshtop_edge       ON_MeshTopology.m_tope[] array index</span></div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>&#160;<span class="comment">    mesh_face          ON_Mesh.m_F[] array index</span></div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>&#160;<span class="comment">    idef_part          ON_InstanceDefinition.m_object_uuid[] array index</span></div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>&#160;<span class="comment">    polycurve_segment  ON_PolyCurve::m_segment[] array index</span></div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span>&#160;<span class="comment">    extrusion_bottom_profile  Use ON_Extrusion::Profile3d() to get 3d profile curve</span></div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>&#160;<span class="comment">    extrusion_top_profile     Use ON_Extrusion::Profile3d() to get 3d profile curve</span></div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>&#160;<span class="comment">    extrusion_wall_edge       Use ON_Extrusion::WallEdge() to get 3d line curve</span></div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>&#160;<span class="comment">    extrusion_wall_surface    Use ON_Extrusion::WallSurface() to get 3d wall surface</span></div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>&#160;<span class="comment">    extrusion_cap_surface      0 = bottom cap, 1 = top cap</span></div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>&#160;<span class="comment">    extrusion_path            -1 = entire path, 0 = start of path, 1 = end of path</span></div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;<span class="comment">    dim_linear_point   ON_LinearDimension2::POINT_INDEX</span></div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;<span class="comment">    dim_radial_point   ON_RadialDimension2::POINT_INDEX</span></div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;<span class="comment">    dim_angular_point  ON_AngularDimension2::POINT_INDEX</span></div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;<span class="comment">    dim_ordinate_point ON_OrdinateDimension2::POINT_INDEX</span></div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;<span class="comment">    dim_text_point     ON_TextEntity2 origin point</span></div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;  <span class="keywordtype">int</span> m_index;</div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;};</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160; </div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160; </div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;ON_BEGIN_EXTERNC</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160; </div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;<span class="comment">  Sets Windows code page used to convert UNICODE (wchar_t) strings</span></div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;<span class="comment">  to multibyte (char) strings and vice verse.</span></div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;<span class="comment">Parameters:</span></div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;<span class="comment">  code_page - [in] code page to use when converting UNICODE strings</span></div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;<span class="comment">       to multibyte strings and vice verse.</span></div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;<span class="comment">Returns:</span></div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;<span class="comment">  previous value of Windows code page.</span></div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;<span class="comment">Remarks:</span></div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;<span class="comment">  For Windows NT/2000/XP, CP_THREAD_ACP will work for all</span></div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;<span class="comment">  locales if your app&#39;s thread is correctly configured.</span></div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;<span class="comment">  For Windows 95/98/ME you have to choose the locale.</span></div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;<span class="comment">  Conversions between UNICODE and multibyte strings happens when</span></div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;<span class="comment">  ON_wString converts a char* string to a wchar_t* string and</span></div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;<span class="comment">  when and ON_String converts a wchar_t* string to a char* string.</span></div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;<span class="comment">  All pertinant code is in opennurbs_defines.cpp.</span></div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160;<span class="comment">See Also:</span></div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;<span class="comment">  ON_GetStringConversionWindowsCodePage</span></div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;<span class="comment">  on_WideCharToMultiByte</span></div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;<span class="comment">  on_MultiByteToWideChar</span></div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;<span class="comment">  ON_wString::operator=(const char*)</span></div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;<span class="comment">  ON_String::operator=(const wchar_t*)  </span></div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;ON_DECL</div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ON_SetStringConversionWindowsCodePage( </div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160;                <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> code_page </div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;                );</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160; </div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;<span class="comment">  Gets Windows code page used to convert UNICODE (wchar_t) strings</span></div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;<span class="comment">  to multibyte (char) strings and vice verse.</span></div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;<span class="comment">Returns:</span></div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;<span class="comment">  Value of Windows code page used to convert strings.</span></div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;<span class="comment">Remarks:</span></div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;<span class="comment">  For Windows NT/2000/XP, CP_THREAD_ACP will work for all</span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;<span class="comment">  locales if your app&#39;s thread is correctly configured.</span></div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;<span class="comment">  For Windows 95/98/ME you have to choose the locale.</span></div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;<span class="comment">  Conversions between UNICODE and multibyte strings happens when</span></div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;<span class="comment">  ON_wString converts a char* string to a wchar_t* string and</span></div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;<span class="comment">  when and ON_String converts a wchar_t* string to a char* string.</span></div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;<span class="comment">  All pertinant code is in opennurbs_defines.cpp.</span></div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;<span class="comment">See Also:</span></div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;<span class="comment">  ON_GetStringConversionWindowsCodePage</span></div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;<span class="comment">  on_WideCharToMultiByte</span></div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;<span class="comment">  on_MultiByteToWideChar</span></div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;<span class="comment">  ON_wString::operator=(const char*)</span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;<span class="comment">  ON_String::operator=(const wchar_t*)  </span></div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;ON_DECL</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ON_GetStringConversionWindowsCodePage();</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160; </div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160; </div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;<span class="comment">  Sets Windows locale id used in case insensitive string</span></div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;<span class="comment">  compares.</span></div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;<span class="comment">Parameters:</span></div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;<span class="comment">  locale_id - [in] Windows locale id to use in case insensitive</span></div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;<span class="comment">                 string compares.</span></div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;<span class="comment">  bWin9X - [in] True if OS is Windows 95/98/ME (which has</span></div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160;<span class="comment">                poor UNICODE support).</span></div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;<span class="comment">Returns:</span></div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160;<span class="comment">  Previous value of Windows locale id.</span></div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;<span class="comment">Remarks:</span></div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160;<span class="comment">  All pertinant code is in opennurbs_defines.cpp.</span></div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160;<span class="comment">See Also:</span></div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;<span class="comment">  ON_GetStringConversionWindowsLocaleID</span></div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;<span class="comment">  on_wcsicmp</span></div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;ON_DECL</div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ON_SetStringConversionWindowsLocaleID( </div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160;                <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> locale_id, </div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;                ON_BOOL32 bWin9X</div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;                );</div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160; </div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160;<span class="comment">  Gets Windows locale id used in case insensitive string</span></div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160;<span class="comment">  compares.</span></div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160;<span class="comment">Returns:</span></div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;<span class="comment">  Value of Windows locale id used in case insensitive string</span></div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;<span class="comment">  compares.</span></div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;<span class="comment">Remarks:</span></div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;<span class="comment">  All pertinant code is in opennurbs_defines.cpp.</span></div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;<span class="comment">See Also:</span></div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;<span class="comment">  ON_SetStringConversionWindowsLocaleID</span></div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;<span class="comment">  on_wcsicmp</span></div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;ON_DECL</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ON_GetStringConversionWindowsLocaleID();</div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160; </div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;<span class="comment">// on_wcsicmp() is a wrapper for case insensitive wide string compare</span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;<span class="comment">// and calls one of _wcsicmp() or wcscasecmp() depending on OS.</span></div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;ON_DECL</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160;<span class="keywordtype">int</span> on_wcsicmp( <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>*, <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* );</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160; </div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160;<span class="comment">// on_wcsupr() calls _wcsupr() or wcsupr() depending on OS</span></div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;ON_DECL</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;<span class="keywordtype">wchar_t</span>* on_wcsupr(<span class="keywordtype">wchar_t</span>*);</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160; </div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;<span class="comment">// on_wcslwr() calls _wcslwr() or wcslwr() depending on OS</span></div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;ON_DECL</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160;<span class="keywordtype">wchar_t</span>* on_wcslwr(<span class="keywordtype">wchar_t</span>*);</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160; </div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;<span class="comment">// on_wcsrev() calls _wcsrev() or wcsrev() depending on OS</span></div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;ON_DECL</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;<span class="keywordtype">wchar_t</span>* on_wcsrev(<span class="keywordtype">wchar_t</span>*);</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160; </div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;<span class="comment">// on_stricmp() is a wrapper for case insensitive string compare</span></div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;<span class="comment">// and calls one of _stricmp(), stricmp(), or strcasecmp()</span></div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;<span class="comment">// depending on OS.</span></div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;ON_DECL</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;<span class="keywordtype">int</span> on_stricmp(<span class="keyword">const</span> <span class="keywordtype">char</span>*, <span class="keyword">const</span> <span class="keywordtype">char</span>*); </div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160; </div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160;<span class="comment">// on_stricmp() is a wrapper for case insensitive string compare</span></div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;<span class="comment">// and calls one of _strnicmp() or strncasecmp()</span></div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;<span class="comment">// depending on OS.</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;ON_DECL</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;<span class="keywordtype">int</span> on_strnicmp(<span class="keyword">const</span> <span class="keywordtype">char</span> * s1, <span class="keyword">const</span> <span class="keywordtype">char</span> * s2, <span class="keywordtype">int</span> n);</div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160; </div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;<span class="comment">// on_strupr() calls _strupr() or strupr() depending on OS</span></div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;ON_DECL</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;<span class="keywordtype">char</span>* on_strupr(<span class="keywordtype">char</span>*);</div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160; </div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;<span class="comment">// on_strlwr() calls _strlwr() or strlwr() depending on OS</span></div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;ON_DECL</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;<span class="keywordtype">char</span>* on_strlwr(<span class="keywordtype">char</span>*);</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160; </div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;<span class="comment">// on_strrev() calls _strrev() or strrev() depending on OS</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160;ON_DECL</div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;<span class="keywordtype">char</span>* on_strrev(<span class="keywordtype">char</span>*);</div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160; </div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;<span class="comment">  Calls ON_ConvertWideCharToUTF8()</span></div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160;ON_DECL</div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160;<span class="keywordtype">int</span> on_WideCharToMultiByte(</div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>*, <span class="comment">// lpWideCharStr,</span></div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>&#160;    <span class="keywordtype">int</span>,            <span class="comment">// cchWideChar,</span></div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>&#160;    <span class="keywordtype">char</span>*,          <span class="comment">// lpMultiByteStr,</span></div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160;    <span class="keywordtype">int</span>             <span class="comment">// cchMultiByte,</span></div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;    );</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160; </div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;<span class="comment">  Calls ON_ConvertUTF8ToWideChar()</span></div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160;ON_DECL</div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;<span class="keywordtype">int</span> on_MultiByteToWideChar(</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span>*, <span class="comment">// lpMultiByteStr,</span></div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;    <span class="keywordtype">int</span>,         <span class="comment">// cchMultiByte,</span></div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;    <span class="keywordtype">wchar_t</span>*,    <span class="comment">// lpWideCharStr,</span></div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;    <span class="keywordtype">int</span>          <span class="comment">// cchWideChar</span></div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;    );</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160; </div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160;<span class="comment">  Find the locations in a path the specify the drive, directory,</span></div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;<span class="comment">  file name and file extension.</span></div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;<span class="comment">Parameters:</span></div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;<span class="comment">  path - [in]</span></div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;<span class="comment">    UTF-8 encoded string that is a legitimate path to a file.</span></div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;<span class="comment">  drive - [out] (pass null if you don&#39;t need the drive)</span></div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;<span class="comment">    If drive is not null and the path parameter begins with </span></div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;<span class="comment">    an A-Z or a-z followed by a colon ( : ) then the returned</span></div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;<span class="comment">    value of *drive will equal the input value of path.</span></div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;<span class="comment">  dir - [out] (pass null if you don&#39;t need the directory)</span></div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;<span class="comment">    If dir is not null and the path parameter contains a</span></div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;<span class="comment">    directory specification, then the returned value of *dir</span></div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;<span class="comment">    will point to the character in path where the directory</span></div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160;<span class="comment">    specification begins.</span></div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;<span class="comment">  fname - [out] (pass null if you don&#39;t need the file name)</span></div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;<span class="comment">    If fname is not null and the path parameter contains a</span></div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160;<span class="comment">    file name specification, then the returned value of *fname</span></div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;<span class="comment">    will point to the character in path where the file name</span></div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160;<span class="comment">    specification begins.</span></div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;<span class="comment">  ext - [out] (pass null if you don&#39;t need the extension)</span></div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;<span class="comment">    If ext is not null and the path parameter contains a</span></div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;<span class="comment">    file extension specification, then the returned value of</span></div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;<span class="comment">    *ext will point to the &#39;.&#39; character in path where the file</span></div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;<span class="comment">    extension specification begins.</span></div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160;<span class="comment">Remarks:</span></div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160;<span class="comment">  This function will treat a front slash ( / ) and a back slash</span></div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;<span class="comment">  ( \ ) as directory separators.  Because this function parses</span></div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160;<span class="comment">  file names store in .3dm files and the .3dm file may have been</span></div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;<span class="comment">  written on a Windows computer and then read on a another</span></div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;<span class="comment">  computer, it looks for a drive dpecification even when the</span></div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;<span class="comment">  operating system is not Windows.</span></div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;<span class="comment">  This function will not return an directory that does not</span></div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;<span class="comment">  end with a trailing slash.</span></div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;<span class="comment">  This function will not return an empty filename and a non-empty</span></div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;<span class="comment">  extension.</span></div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;<span class="comment">  This function parses the path string according to these rules.</span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;<span class="comment">  It does not check the actual file system to see if the answer</span></div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;<span class="comment">  is correct.</span></div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;<span class="comment">See Also:</span></div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;<span class="comment">  ON_String::SplitPath</span></div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;ON_DECL <span class="keywordtype">void</span> on_splitpath(</div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>* path,</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>** drive,</div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>** dir,</div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>** fname,</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span>** ext</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160;  );</div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160; </div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;<span class="comment">Description:</span></div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;<span class="comment">  Find the locations in a path the specify the drive, directory,</span></div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160;<span class="comment">  file name and file extension.</span></div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;<span class="comment">Parameters:</span></div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160;<span class="comment">  path - [in]</span></div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;<span class="comment">    UTF-8, UTF-16 or UTF-32 encoded wchar_t string that is a</span></div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;<span class="comment">    legitimate path to a file.</span></div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;<span class="comment">  drive - [out] (pass null if you don&#39;t need the drive)</span></div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;<span class="comment">    If drive is not null and the path parameter begins with </span></div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;<span class="comment">    an A-Z or a-z followed by a colon ( : ) then the returned</span></div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;<span class="comment">    value of *drive will equal the input value of path.</span></div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;<span class="comment">  dir - [out] (pass null if you don&#39;t need the directory)</span></div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;<span class="comment">    If dir is not null and the path parameter contains a</span></div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160;<span class="comment">    directory specification, then the returned value of *dir</span></div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;<span class="comment">    will point to the character in path where the directory</span></div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;<span class="comment">    specification begins.</span></div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;<span class="comment">  fname - [out] (pass null if you don&#39;t need the file name)</span></div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160;<span class="comment">    If fname is not null and the path parameter contains a</span></div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160;<span class="comment">    file name specification, then the returned value of *fname</span></div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;<span class="comment">    will point to the character in path where the file name</span></div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160;<span class="comment">    specification begins.</span></div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;<span class="comment">  ext - [out] (pass null if you don&#39;t need the extension)</span></div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160;<span class="comment">    If ext is not null and the path parameter contains a</span></div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;<span class="comment">    file extension specification, then the returned value of</span></div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;<span class="comment">    *ext will point to the &#39;.&#39; character in path where the file</span></div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;<span class="comment">    extension specification begins.</span></div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160;<span class="comment">Remarks:</span></div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160;<span class="comment">  This function will treat a front slash ( / ) and a back slash</span></div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160;<span class="comment">  ( \ ) as directory separators.  Because this function parses</span></div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160;<span class="comment">  file names store in .3dm files and the .3dm file may have been</span></div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160;<span class="comment">  written on a Windows computer and then read on a another</span></div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>&#160;<span class="comment">  computer, it looks for a drive dpecification even when the</span></div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>&#160;<span class="comment">  operating system is not Windows.</span></div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>&#160;<span class="comment">  This function will not return an directory that does not</span></div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;<span class="comment">  end with a trailing slash.</span></div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160;<span class="comment">  This function will not return an empty filename and a non-empty</span></div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160;<span class="comment">  extension.</span></div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;<span class="comment">  This function parses the path string according to these rules.</span></div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;<span class="comment">  It does not check the actual file system to see if the answer</span></div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;<span class="comment">  is correct.</span></div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160;<span class="comment">See Also:</span></div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160;<span class="comment">  ON_wString::SplitPath</span></div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160;ON_DECL <span class="keywordtype">void</span> on_wsplitpath(</div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* path,</div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>** drive,</div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>** dir,</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>** fname,</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>** ext</div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;  );</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160; </div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;ON_END_EXTERNC</div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160; </div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160; </div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_o_n__3dm_units_and_tolerances_html"><div class="ttname"><a href="class_o_n__3dm_units_and_tolerances.html">ON_3dmUnitsAndTolerances</a></div><div class="ttdef"><b>Definition:</b> opennurbs_3dm_settings.h:27</div></div>
<div class="ttc" id="aclass_o_n___unit_system_html"><div class="ttname"><a href="class_o_n___unit_system.html">ON_UnitSystem</a></div><div class="ttdef"><b>Definition:</b> opennurbs_string.h:1069</div></div>
<div class="ttc" id="astructtag_o_n__2dex_html"><div class="ttname"><a href="structtag_o_n__2dex.html">tagON_2dex</a></div><div class="ttdef"><b>Definition:</b> opennurbs_defines.h:314</div></div>
<div class="ttc" id="astructtag_o_n__3dex_html"><div class="ttname"><a href="structtag_o_n__3dex.html">tagON_3dex</a></div><div class="ttdef"><b>Definition:</b> opennurbs_defines.h:326</div></div>
<div class="ttc" id="astructtag_o_n__4dex_html"><div class="ttname"><a href="structtag_o_n__4dex.html">tagON_4dex</a></div><div class="ttdef"><b>Definition:</b> opennurbs_defines.h:340</div></div>
<div class="ttc" id="aunion_o_n___u_html"><div class="ttname"><a href="union_o_n___u.html">ON_U</a></div><div class="ttdef"><b>Definition:</b> opennurbs_defines.h:350</div></div>
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